US4637802B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin outboard drive for watercraft
Assignee: Yamaha Marine Co Ltd
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Filing: 1986-01-29
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Granted: 1993-09-07
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Expires: 2006-01-29
Abstract
No abstract record available.
Inventors
- 👤 Taguchi Michihiro
- 👤 Onoue Akihiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:07
CPC Classifications
B; B63; B63H; B63H21/00; B63H21/21; B63H21/213; B63H20/00; B63H2020/003; B63H2021/216; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-09-06 | 1997-03-08 | 1997-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-09-06 | 2001-03-08 | 2001-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-09-06 | 2005-03-08 | 2005-09-07 | $7700.00 | Window Closed / Lapsed |